As reported previously, CSIseason 8 will introduce a new forensic investigator named Veronica Lake (Jessica Lucas), who is set to appear on this week's episode entitled “Go to Hell.” On the other hand, there is another female newbie geared up to grace the Emmy Award-winning CBS series and, unlike Veronica, she will not be a member of the Las Vegas forensic team. Fans can discover her mysterious identity in the episode entitled “Cockroaches,” which airs on December 6.

Read on for more CSI spoilers.

According to TV Guide's Michael Aussielo, the new character is an ex-mob wife in her early 40s who is in the witness protection program. It is reported that she might stick around and become a recurring character, and even a potential love interest for Gil Grissom (William Petersen) after his relationship with Sara Sidle (Jorja Fox) ends. William Friedkin, credited for The Exorcist, will be directing the mob-centric episode.

“Cockroaches” opens with a cop pursuing a garbage truck which is spewing out papers, not to mention two dead bodies. One of the bodies is identified as Jason Crewes, a 27-year-old king of the Las Vegas club scene, while the other one is Brody Biggs, a former cop and associate of the mob family, Pezzulo.

James "Jim" Brass (Paul Guilfoyle) talks to Jason's mother, Jessica, who is later identified as Kate Pezzulo, a mob wife who is in the witness protection program. Her husband was killed 24 years ago and the feds allowed Kate and Jason to stay in Vegas, believing they would be safer there.

Later, the team finds the connection between the two bodies.

Another spoiler for this episode is Warrick's personal problems. As he delves deeper into the case, he indulges into drinking, some prescription pills, which results to some hallucinations and a sexual affair with stripper.